From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Reference note for previous correspondence concerning the 40/50 Distribution Board.
| Identifier | ExFiles\Box 65\2\ scan0064 | |
| Date | 5th December 1923 guessed | |
| X.8740. For previous correspondence see X.3555 - 40/50 Distribution Board. EFC. {E. Fowler Clarke - Electrical Engineer} | ||